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Handle deadlocks centrally

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Michael 2017-06-13 05:52:59 +00:00
parent 228993596a
commit 97be344a4a
2 changed files with 44 additions and 20 deletions
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53
include/dba.php
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@ -625,8 +625,21 @@ class dba {
}
if (self::$dbo->errorno != 0) {
logger('DB Error '.self::$dbo->errorno.': '.self::$dbo->error."\n".
$a->callstack(8))."\n".self::replace_parameters($sql, $args);
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 1);
$called_from = array_shift($trace);
// We are having an own error logging in the function "p"
if ($called_from['function'] != 'p') {
// We have to preserve the error code, somewhere in the logging it get lost
$error = self::$dbo->error;
$errorno = self::$dbo->errorno;
logger('DB Error '.self::$dbo->errorno.': '.self::$dbo->error."\n".
$a->callstack(8))."\n".self::replace_parameters($sql, $args);
self::$dbo->error = $error;
self::$dbo->errorno = $errorno;
}
}
$a->save_timestamp($stamp1, 'database');
@ -662,18 +675,36 @@ class dba {
$args = func_get_args();
$stmt = call_user_func_array('self::p', $args);
// In a case of a deadlock we are repeating the query 10 times
$timeout = 10;
if (is_bool($stmt)) {
$retval = $stmt;
} elseif (is_object($stmt)) {
$retval = true;
} else {
$retval = false;
do {
$stmt = call_user_func_array('self::p', $args);
if (is_bool($stmt)) {
$retval = $stmt;
} elseif (is_object($stmt)) {
$retval = true;
} else {
$retval = false;
}
self::close($stmt);
} while ((self::$dbo->errorno = 1213) && (--$timeout > 0));
if (self::$dbo->errorno != 0) {
// We have to preserve the error code, somewhere in the logging it get lost
$error = self::$dbo->error;
$errorno = self::$dbo->errorno;
logger('DB Error '.self::$dbo->errorno.': '.self::$dbo->error."\n".
$a->callstack(8))."\n".self::replace_parameters($sql, $args);
self::$dbo->error = $error;
self::$dbo->errorno = $errorno;
}
self::close($stmt);
$a->save_timestamp($stamp, "database_write");
return $retval;